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Radisson, WI Tap Water Quality 2026

Water quality report for Radisson, WI — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Radisson's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Radisson Waterworks PWSID: WI8580533 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 1.25 ppb, 8% of the action level and no violations are open. PFAS has never been sampled at this system.

B

Radisson earns a B for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: 1.25 ppb — 8% of the federal action level
PFAS never sampled at this system
17 violations since 2015, 2 health-based
No violations currently open
Radisson's lead level vs. all Wisconsin community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 1.25 ppb — 8% of the federal action level
✓ Lower lead than 71% of Wisconsin utilities
Population Served
~89 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
17 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
8% of EPA action level
1.25 ppb
Action level: 15 ppb
The 90th-percentile lead result is 1.25 ppb, 8% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
E. COLI MONITORING AND REPORTING — 0 2026 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2025 Resolved
LEAD AND COPPER RULE REVISIONS REPORTING FAILURE — — 2025 Resolved
E. COLI MONITORING AND REPORTING — 0 2025 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2025 Resolved
E. COLI MONITORING AND REPORTING — 0 2024 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2024 Resolved
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Resolved
Public Notice OTHER — — 2024 Unaddressed
Public Notice OTHER — — 2023 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2023 Resolved
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2023 Resolved
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2023 Resolved
Radium-228 MONITORING AND REPORTING — — 2023 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2023 Resolved
Combined Radium (-226 and -228) MONITORING AND REPORTING — 5 pCi/L 2023 Resolved
Revised Total Coliform Rule TREATMENT TECHNIQUE — — 2018 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

17 violations are on record since 2015, of which 2 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Radisson Waterworks
PWSID WI8580533
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served
Service connections 89
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Radisson tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 1.25 ppb, 8% of the action level.
Does Radisson water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to Radisson? ▼
Radisson Waterworks (PWSID WI8580533). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2025-11-04. No significant deficiencies were recorded.

What Should Radisson Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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